package com.ahuzdw.com;

import java.util.List;

/**
 * Author zhangdongwei
 */
public class Test4 {
    public static void main(String[] args) {
    }
    public class ListNode{
        int val;
        ListNode next;
        ListNode(){}
        ListNode(int val) { this.val = val; }
        ListNode(int val, ListNode next) { this.val = val; this.next = next; }
    }
}
